Bayern's Thomas Mueller, from left, Harry Kane, and Konrad Laimer applaud to supporters after the Champions League play off first leg soccer match between Celtic Glasgow and Bayern Munich at the Celtic Park Stadium in Glasgow, Scotland.

Bayern's Serge Gnabry, right, and Celtic's Jeffrey Schlupp challenge for the ball during the Champions League play off first leg soccer match between Celtic Glasgow and Bayern Munich at the Celtic Park Stadium in Glasgow, Scotland.

Bayern's Harry Kane heads the ball besides Celtic's Cameron Carter-Vickers during the Champions League play off first leg soccer match between Celtic Glasgow and Bayern Munich at the Celtic Park Stadium in Glasgow, Scotland.

Celtic's Daizen Maeda, second right, celebrates after scoring his side's opening goal during the Champions League play off first leg soccer match between Celtic Glasgow and Bayern Munich at the Celtic Park Stadium in Glasgow, Scotland.

Celtic's Daizen Maeda, center, Bayern's Konrad Laimer, left, and Bayern's Dayot Upamecano challenge for the ball during the Champions League play off first leg soccer match between Celtic Glasgow and Bayern Munich at the Celtic Park Stadium in Glasgow, Scotland.

Bayern's Konrad Laimer, left, and Celtic's Daizen Maeda challenge for the ball during the Champions League play off first leg soccer match between Celtic Glasgow and Bayern Munich at the Celtic Park Stadium in Glasgow, Scotland.

Bayern's Harry Kane celebrates after scoring his side's second goal during the Champions League play off first leg soccer match between Celtic Glasgow and Bayern Munich at the Celtic Park Stadium in Glasgow, Scotland.

Bayern's Michael Olise, center, celebrates with team mates after scoring his side's opening goal during the Champions League play off first leg soccer match between Celtic Glasgow and Bayern Munich at the Celtic Park Stadium in Glasgow, Scotland.

Celtic's Adam Idah, left, and Bayern's Dayot Upamecano challenge for the ball during the Champions League play off first leg soccer match between Celtic Glasgow and Bayern Munich at the Celtic Park Stadium in Glasgow, Scotland.

Bayern's Raphael Guerreiro, left, controls the ball besides Celtic's Nicolas Kuehn during the Champions League play off first leg soccer match between Celtic Glasgow and Bayern Munich at the Celtic Park Stadium in Glasgow, Scotland.